程序包 cn.taketoday.bytecode.core

类 ClassEmitter

java.lang.Object

cn.taketoday.bytecode.ClassVisitor

cn.taketoday.bytecode.transform.ClassTransformer

cn.taketoday.bytecode.core.ClassEmitter

直接已知子类:

BeanMapEmitter, BulkBeanEmitter, ClassEmitterTransformer, MethodAccessEmitter, MixinEmitter, ParallelSorterEmitter

public class ClassEmitter
extends ClassTransformer

作者:

Juozas Baliuka, Chris Nokleberg, Harry Yang

嵌套类概要

嵌套类

修饰符和类型	类	说明
(专用程序包) static class	ClassEmitter.FieldInfo

字段概要

字段

修饰符和类型	字段	说明
private ClassInfo	classInfo
private Map<String,ClassEmitter.FieldInfo>	fieldInfo
private static int	hookCounter
private MethodVisitor	rawStaticInit
private CodeEmitter	staticHook
private MethodSignature	staticHookSig
private CodeEmitter	staticInit

从类继承的字段 cn.taketoday.bytecode.ClassVisitor

cv

构造器概要

构造器

构造器	说明
ClassEmitter()
ClassEmitter(ClassVisitor cv)

方法概要

修饰符和类型	方法	说明
CodeEmitter	begin_static()
CodeEmitter	begin_static(boolean hook)
CodeEmitter	begin_static(boolean hook, MethodVisitor visitor)
void	beginClass(int version, int access, String className, Type superType, Type[] interfaces, String source)
void	beginClass(int version, int access, String className, Type superType, String source, Type... interfaces)
void	beginClass(int version, int access, String className, Class<?> superType, String source, Class<?>... interfaces)
void	beginClass(int version, int access, String name, String superName, String... interfaces)
void	beginClass(int version, int access, String name, String source, String superName, String... interfaces)
void	beginClass(int access, String className, Class<?> superType, Class<?>... interfaces)
void	beginClass(int access, String className, Class<?> superType, String source, Class<?>... interfaces)
void	beginClass(int access, String name, String superName, String... interfaces)
CodeEmitter	beginMethod(int access, MethodSignature sig, Type... exceptions)
CodeEmitter	beginMethod(int access, Method method)
void	declare_field(int access, String name, Type type, Object value)
void	endClass()
int	getAccess()
ClassInfo	getClassInfo()
Type	getClassType()
(专用程序包) ClassEmitter.FieldInfo	getFieldInfo(String name)
private static int	getNextHook()
CodeEmitter	getStaticHook()
Type	getSuperType()
protected void	init()
boolean	isFieldDeclared(String name)
void	setTarget(ClassVisitor cv)
void	visit(int version, int access, String name, String signature, String superName, String[] interfaces)	Visits the header of the class.
void	visitEnd()	Visits the end of the class.
FieldVisitor	visitField(int access, String name, String desc, String signature, Object value)	Visits a field of the class.
MethodVisitor	visitMethod(int access, String name, String desc, String signature, String[] exceptions)	Visits a method of the class.

从类继承的方法 cn.taketoday.bytecode.ClassVisitor

visitAnnotation, visitAttribute, visitInnerClass, visitModule, visitNestHost, visitNestMember, visitOuterClass, visitPermittedSubclass, visitRecordComponent, visitSource, visitTypeAnnotation

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

classInfo

private ClassInfo classInfo

fieldInfo

private Map<String,ClassEmitter.FieldInfo> fieldInfo

hookCounter

private static int hookCounter

rawStaticInit

private MethodVisitor rawStaticInit

staticInit

private CodeEmitter staticInit

staticHook

private CodeEmitter staticHook

staticHookSig

private MethodSignature staticHookSig

构造器详细资料

ClassEmitter

public ClassEmitter(ClassVisitor cv)

ClassEmitter

public ClassEmitter()

方法详细资料

setTarget

public void setTarget(ClassVisitor cv)

指定者:

setTarget 在类中 ClassTransformer

getNextHook

private static int getNextHook()

getClassInfo

public ClassInfo getClassInfo()

beginClass

public void beginClass(int access,
 String className,
 Class<?> superType,
 Class<?>... interfaces)

beginClass

public void beginClass(int access,
 String className,
 Class<?> superType,
 String source,
 Class<?>... interfaces)

beginClass

public void beginClass(int version,
 int access,
 String className,
 Class<?> superType,
 String source,
 Class<?>... interfaces)

beginClass

public void beginClass(int version,
 int access,
 String className,
 Type superType,
 String source,
 Type... interfaces)

beginClass

public void beginClass(int version,
 int access,
 String className,
 @Nullable
 Type superType,
 Type[] interfaces,
 @Nullable
 String source)

beginClass

public void beginClass(int access,
 String name,
 String superName,
 String... interfaces)

beginClass

public void beginClass(int version,
 int access,
 String name,
 String superName,
 String... interfaces)

beginClass

public void beginClass(int version,
 int access,
 String name,
 String source,
 String superName,
 String... interfaces)

参数:

name - class full name

getStaticHook

public CodeEmitter getStaticHook()

init

protected void init()

getAccess

public int getAccess()

getClassType

public Type getClassType()

getSuperType

public Type getSuperType()

endClass

public void endClass()

beginMethod

public CodeEmitter beginMethod(int access,
 Method method)

beginMethod

public CodeEmitter beginMethod(int access,
 MethodSignature sig,
 Type... exceptions)

begin_static

public CodeEmitter begin_static()

begin_static

public CodeEmitter begin_static(boolean hook)

begin_static

public CodeEmitter begin_static(boolean hook,
 MethodVisitor visitor)

declare_field

public void declare_field(int access,
 String name,
 Type type,
 Object value)

isFieldDeclared

public boolean isFieldDeclared(String name)

getFieldInfo

ClassEmitter.FieldInfo getFieldInfo(String name)

visit

public void visit(int version,
 int access,
 String name,
 String signature,
 String superName,
 String[] interfaces)

从类复制的说明: ClassVisitor

Visits the header of the class.

覆盖:

visit 在类中 ClassVisitor

参数:

version - the class version. The minor version is stored in the 16 most significant bits, and the major version in the 16 least significant bits.

access - the class's access flags (see Opcodes). This parameter also indicates if the class is deprecated Opcodes.ACC_DEPRECATED or a record Opcodes.ACC_RECORD.

name - the internal name of the class (see Type.getInternalName()).

signature - the signature of this class. May be null if the class is not a generic one, and does not extend or implement generic classes or interfaces.

superName - the internal of name of the super class (see Type.getInternalName()). For interfaces, the super class is Object. May be null, but only for the Object class.

interfaces - the internal names of the class's interfaces (see Type.getInternalName()). May be null.

visitEnd

public void visitEnd()

从类复制的说明: ClassVisitor

Visits the end of the class. This method, which is the last one to be called, is used to inform the visitor that all the fields and methods of the class have been visited.

覆盖:

visitEnd 在类中 ClassVisitor

visitField

public FieldVisitor visitField(int access,
 String name,
 String desc,
 String signature,
 Object value)

从类复制的说明: ClassVisitor

Visits a field of the class.

覆盖:

visitField 在类中 ClassVisitor

参数:

access - the field's access flags (see Opcodes). This parameter also indicates if the field is synthetic and/or deprecated.

name - the field's name.

desc - the field's descriptor (see Type).

signature - the field's signature. May be null if the field's type does not use generic types.

value - the field's initial value. This parameter, which may be null if the field does not have an initial value, must be an Integer, a Float, a Long, a Double or a String (for int, float, long or String fields respectively). This parameter is only used for static fields. Its value is ignored for non static fields, which must be initialized through bytecode instructions in constructors or methods.

返回:

a visitor to visit field annotations and attributes, or null if this class visitor is not interested in visiting these annotations and attributes.

visitMethod

public MethodVisitor visitMethod(int access,
 String name,
 String desc,
 String signature,
 String[] exceptions)

从类复制的说明: ClassVisitor

Visits a method of the class. This method must return a new MethodVisitor instance (or null) each time it is called, i.e., it should not return a previously returned visitor.

覆盖:

visitMethod 在类中 ClassVisitor

参数:

access - the method's access flags (see Opcodes). This parameter also indicates if the method is synthetic and/or deprecated.

name - the method's name.

desc - the method's descriptor (see Type).

signature - the method's signature. May be null if the method parameters, return type and exceptions do not use generic types.

exceptions - the internal names of the method's exception classes (see Type.getInternalName()). May be null.

返回:

an object to visit the byte code of the method, or null if this class visitor is not interested in visiting the code of this method.